/**
 * loading 占位
 * 解决首次加载时白屏的问题
 */
(function () {
  const _root = document.querySelector('#root');
  if (_root && _root.innerHTML === '') {
    _root.innerHTML = `
    <style>
    html,
    body,
    #root {
      height: 100%;
      margin: 0;
      padding: 0;
    }
    #root {
      background-repeat: no-repeat;
      background-size: 100% auto;
    }
    .noscript-container {
      display: flex;
      align-content: center;
      justify-content: center;
      margin-top: 90px;
      font-size: 20px;
      font-family: "Lucida Sans", "Lucida Sans Regular", "Lucida Grande",
        "Lucida Sans Unicode", Geneva, Verdana, sans-serif;
    }
    .noscript-enableJS {
      padding-right: 3px;
      padding-left: 3px;
    }
    .page-loading-warp {
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 98px;
    }
    .ant-spin {
      position: absolute;
      display: none;
      -webkit-box-sizing: border-box;
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      color: rgba(0, 0, 0, 0.65);
      color: #1890ff;
      font-size: 14px;
      font-variant: tabular-nums;
      line-height: 1.5;
      text-align: center;
      list-style: none;
      opacity: 0;
      -webkit-transition: -webkit-transform 0.3s
        cubic-bezier(0.78, 0.14, 0.15, 0.86);
      transition: -webkit-transform 0.3s
        cubic-bezier(0.78, 0.14, 0.15, 0.86);
      transition: transform 0.3s cubic-bezier(0.78, 0.14, 0.15, 0.86);
      transition: transform 0.3s cubic-bezier(0.78, 0.14, 0.15, 0.86),
        -webkit-transform 0.3s cubic-bezier(0.78, 0.14, 0.15, 0.86);
      -webkit-font-feature-settings: "tnum";
      font-feature-settings: "tnum";
    }

    .ant-spin-spinning {
      position: static;
      display: inline-block;
      opacity: 1;
    }

    .ant-spin-dot {
      position: relative;
      display: inline-block;
      width: 20px;
      height: 20px;
      font-size: 20px;
    }

    .ant-spin-dot-item {
      position: absolute;
      display: block;
      width: 9px;
      height: 9px;
      background-color: #1890ff;
      border-radius: 100%;
      -webkit-transform: scale(0.75);
      -ms-transform: scale(0.75);
      transform: scale(0.75);
      -webkit-transform-origin: 50% 50%;
      -ms-transform-origin: 50% 50%;
      transform-origin: 50% 50%;
      opacity: 0.3;
      -webkit-animation: antspinmove 1s infinite linear alternate;
      animation: antSpinMove 1s infinite linear alternate;
    }

    .ant-spin-dot-item:nth-child(1) {
      top: 0;
      left: 0;
    }

    .ant-spin-dot-item:nth-child(2) {
      top: 0;
      right: 0;
      -webkit-animation-delay: 0.4s;
      animation-delay: 0.4s;
    }

    .ant-spin-dot-item:nth-child(3) {
      right: 0;
      bottom: 0;
      -webkit-animation-delay: 0.8s;
      animation-delay: 0.8s;
    }

    .ant-spin-dot-item:nth-child(4) {
      bottom: 0;
      left: 0;
      -webkit-animation-delay: 1.2s;
      animation-delay: 1.2s;
    }

    .ant-spin-dot-spin {
      -webkit-transform: rotate(45deg);
      -ms-transform: rotate(45deg);
      transform: rotate(45deg);
      -webkit-animation: antrotate 1.2s infinite linear;
      animation: antRotate 1.2s infinite linear;
    }

    .ant-spin-lg .ant-spin-dot {
      width: 32px;
      height: 32px;
      font-size: 32px;
    }

    .ant-spin-lg .ant-spin-dot i {
      width: 14px;
      height: 14px;
    }

    @media all and (-ms-high-contrast: none), (-ms-high-contrast: active) {
      .ant-spin-blur {
        background: #fff;
        opacity: 0.5;
      }
    }

    @-webkit-keyframes antSpinMove {
      to {
        opacity: 1;
      }
    }

    @keyframes antSpinMove {
      to {
        opacity: 1;
      }
    }

    @-webkit-keyframes antRotate {
      to {
        -webkit-transform: rotate(405deg);
        transform: rotate(405deg);
      }
    }

    @keyframes antRotate {
      to {
        -webkit-transform: rotate(405deg);
        transform: rotate(405deg);
      }
    }
  </style>
      <div style="
          display: flex;
          flex-direction: column;
          align-items: center;
          justify-content: center;
          height: 100%;
          min-height: 420px;
        ">
<img src="/logo.svg" alt="logo" width="256" />
<div class="page-loading-warp">
<div class="ant-spin ant-spin-lg ant-spin-spinning">
<span class="ant-spin-dot ant-spin-dot-spin"><i class="ant-spin-dot-item"></i><i class="ant-spin-dot-item"></i
              ><i class="ant-spin-dot-item"></i><i class="ant-spin-dot-item"></i
            ></span>
</div>
</div>
<div style="display: flex; align-items: center; justify-content: center;font-size: 40px;font-weight: bold">
Xmw Admin
</div>
</div>
</div>
    `;
  }
})();